Size 6-1/4" X 9-7/8". This all-purpose metric template has cut-outs dimensioned in both millimeters and decimal in equivalents. 27 circles range from 2 to 30mm. Triangle, squares and isometric ellipses to 25mm. Hexes from 2 to 22mm. Notches on edge for drawing side view of bolts and nuts M2 to M14.